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Skyplot: make legend adaptive

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This commit is contained in:
Carles Fernandez 2025-05-01 10:04:15 +02:00
parent 42d9ff9abb
commit 18410fc476
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1 changed files with 39 additions and 16 deletions
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55
utils/skyplot/skyplot.py
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@ -285,14 +285,32 @@ def plot_satellite_tracks(satellites, obs_lat, obs_lon, obs_alt,
# Color scheme by constellation
system_colors = {
'G': 'blue', # GPS
'E': 'green', # Galileo
'R': 'red', # GLONASS
'C': 'orange' # BeiDou
'G': 'blue', # GPS
'E': 'green', # Galileo
'R': 'red', # GLONASS
'C': 'orange', # BeiDou
'J': 'brown', # QZSS
'I': 'pink', # IRNSS
'S': 'gray' # SBAS
}
# System names mapping
system_names = {
'G': 'GPS',
'E': 'Galileo',
'R': 'GLONASS',
'C': 'BeiDou',
'J': 'QZSS',
'I': 'IRNSS',
'S': 'SBAS'
}
# Find which systems are actually present
present_systems = {prn[0] for prn in satellites.keys() if prn[0] in system_colors}
# Plot each satellite
for prn, ephemeris_list in satellites.items():
color = system_colors.get(prn[0], 'purple')
color = system_colors.get(prn[0], 'purple') # Default to purple for unknown systems
# Get the most recent ephemeris
if not ephemeris_list:
@ -327,18 +345,23 @@ def plot_satellite_tracks(satellites, obs_lat, obs_lon, obs_alt,
fontsize=12, ha='center', va='center',
bbox={"facecolor": "white", "alpha": 0.8, "pad": 2})
# Add legend and metadata
legend_elements = [plt.Line2D([0], [0], marker='o', color='w',
label=f'{sys} ({name})', markerfacecolor=color, markersize=10)
for sys, (name, color) in [
('G', ('GPS', 'blue')),
('E', ('Galileo', 'green')),
('R', ('GLONASS', 'red')),
('C', ('BeiDou', 'orange'))
]]
# Create legend elements only for present systems
legend_elements = [
plt.Line2D([0], [0], marker='o', color='w',
label=f'{system_names[sys]} ({sys})',
markerfacecolor=system_colors[sys],
markersize=10)
for sys in present_systems
]
ax.legend(handles=legend_elements, loc='upper right',
bbox_to_anchor=(1.3, 1.1), fontsize=14)
# Add legend if we have any systems to show
if legend_elements:
ax.legend(
handles=legend_elements,
loc='upper right',
bbox_to_anchor=(1.3, 1.1),
fontsize=14
)
lat_deg = np.degrees(obs_lat)
lon_deg = np.degrees(obs_lon)